Home / 744,214,006.64-1,116,235,830.70-198,998,055.92

Finding the Fourth Proportional to 744,214,006.64, 1,116,235,830.70 and 198,998,055.92

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Solution

The fourth proportional to 744,214,006.64, 1,116,235,830.70 and 198,998,055.92 is: 298,474,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,214,006.64 : 1,116,235,830.70 = 198,998,055.92 : x
  2. Step 2: Convert to fraction form
    744,214,006.64/1,116,235,830.70 = 198,998,055.92/x
  3. Step 3: Cross multiply
    744,214,006.64x = 1,116,235,830.70 × 198,998,055.92
  4. Step 4: Simplify right side
    744,214,006.64x = 222,128,760,259,839,360
  5. Step 5: Solve for x
    x = 222,128,760,259,839,360/744,214,006.64
  6. Step 6: Final answer
    x = 298,474,307.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.